Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 18:38

General

  • Target
    549a4dec0a144c1a79ecd02c449d41d2748092b466dfbdbc821b9e3b6a8e7314.exe
  • Size 45KB
  • Sample260907-xahb8aaf83
  • SHA256 549a4dec0a144c1a79ecd02c449d41d2748092b466dfbdbc821b9e3b6a8e7314
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • javsub.blog:80

  • javsub.blog:22

  • javsub.blog:8080

  • javsub.blog:8880

  • javsub.blog:2052

  • javsub.blog:2082

  • javsub.blog:2086

  • javsub.blog:2095

  • javsub.blog:443

  • javsub.blog:2053

  • javsub.blog:2083

  • javsub.blog:2087

  • javsub.blog:2096

  • javsub.blog:8443

  • www.javsub.blog:80

  • www.javsub.blog:22

  • www.javsub.blog:8080

  • www.javsub.blog:8880

  • www.javsub.blog:2052

  • www.javsub.blog:2082

Mutex
  • HCYShP8cBRZ9

Attributes
  • delay

    0

  • install

    true

  • install_file

    htdrdli.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Outbound SSH connection to public host 2 TTPs 4 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\549a4dec0a144c1a79ecd02c449d41d2748092b466dfbdbc821b9e3b6a8e7314.exe
    "C:\Users\Admin\AppData\Local\Temp\549a4dec0a144c1a79ecd02c449d41d2748092b466dfbdbc821b9e3b6a8e7314.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "htdrdli" /tr '"C:\Users\Admin\AppData\Roaming\htdrdli.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4584
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "htdrdli" /tr '"C:\Users\Admin\AppData\Roaming\htdrdli.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC8A5.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2892
      • C:\Users\Admin\AppData\Roaming\htdrdli.exe
        "C:\Users\Admin\AppData\Roaming\htdrdli.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1932
  • C:\Users\Admin\AppData\Roaming\htdrdli.exe
    "C:\Users\Admin\AppData\Roaming\htdrdli.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:6888
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3732

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmpC8A5.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpC8A5.tmp.bat
          • Size 151B
          • SHA256 afeac7fe05007afa6f6c4ba5e39a9775d516e2f571aa22b2f949fc3f220dfc6c
          • MD5 SHA1 SHA512 TLSH

          htdrdli.exe

          • Path C:\Users\Admin\AppData\Roaming\htdrdli.exe
          • Size 45KB
          • SHA256 549a4dec0a144c1a79ecd02c449d41d2748092b466dfbdbc821b9e3b6a8e7314
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2232-0-0x0000000074302000-0x0000000074303000-memory.dmp

          memory/2232-1-0x0000000000660000-0x0000000000672000-memory.dmp

          memory/2232-2-0x00000000742F0000-0x0000000074AAC000-memory.dmp

          memory/2232-3-0x0000000005110000-0x00000000051AC000-memory.dmp

          memory/2232-8-0x00000000742F0000-0x0000000074AAC000-memory.dmp

          memory/6888-12-0x0000000074100000-0x00000000748BC000-memory.dmp

          memory/6888-14-0x0000000074100000-0x00000000748BC000-memory.dmp